4.2BSD/usr/man/man1/clear.1

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.TH CLEAR 1 "24 February 1979"
.UC
.SH NAME
clear \- clear terminal screen
.SH SYNOPSIS
.B clear
.SH DESCRIPTION
.I Clear
clears your screen if this is possible.
It looks in the environment for the terminal type and then in
.I /etc/termcap
to figure out how to clear the screen.
.SH FILES
/etc/termcap	terminal capability data base